Synthetic Cathinones

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Synthetic Cathinones

Author : Jolanta B. Zawilska
Publisher : Springer
ISBN 13 : 3319787071
Total Pages : 215 pages
Book Rating : 4.3/5 (197 download)

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Book Synopsis Synthetic Cathinones by : Jolanta B. Zawilska

Download or read book Synthetic Cathinones written by Jolanta B. Zawilska and published by Springer. This book was released on 2018-04-16 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last decade, and particularly during the recent five years, a rapidly increasing number of novel psychoactive substance (NPSs), often marketed as “designer drugs”, “legal highs”, “herbal highs”, “research or intermediate chemicals” and “laboratory reagents”, has appeared on the drug market in an effort to bypass controlled substance legislation. NPSs encompass a wide range of different compounds and drug classes but had been dominated by synthetic cannabinomimetics and psychostimulatory synthetic cathinones, so-called β-keto amphetamines. Compounds from the later class were first detected in Europe in 2004, and since then 103 new cathinones have been identified and reported to the European Monitoring Centre for Drugs and Drug Addiction, with 57 during the last two years. Synthetic cathinones – novel addictive and stimulatory psychoactive substances is the first publication of this kind that provides readers with background on chemical structures, detection, prevalence and motivation of use of the very popular group of NPSs. This book also presents comprehensive overview of the mechanisms of action, pharmacological activity, and main metabolic pathways of synthetic cathinones, followed by a detailed discussion of the acute and chronic toxicity associated with the use of these substances. Written by international experts in the field, this multi-authored book is a valuable reference not only for scientists, clinicians and academics, but also for readers representing different professional background who are involved in educational-prophylactic activities directed to harm reduction of psychoactive compounds.

Synthetic Cathinones (Bath Salts)

Author : U. S. Department U.S. Department of Justice
Publisher : CreateSpace
ISBN 13 : 9781503231122
Total Pages : 24 pages
Book Rating : 4.2/5 (311 download)

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Book Synopsis Synthetic Cathinones (Bath Salts) by : U. S. Department U.S. Department of Justice

Download or read book Synthetic Cathinones (Bath Salts) written by U. S. Department U.S. Department of Justice and published by CreateSpace. This book was released on 2014-11-16 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Drug Intelligence Center (NDIC) assesses with high confidence that the distribution and abuse of synthetic cathinones will increase in the United States in the near term, posing yet another challenge to U.S. law enforcement officials. Poison control centers and medical professionals around the country are increasingly reporting patients suffering adverse physical effects associated with abuse of these drugs, further compounding the problem. Available data and law enforcement reporting suggest increasing levels of synthetic cathinone availability and abuse, but such information is limited and precise levels are unknown. U.S. Customs and Border Protection (CBP) currently tracks seizures of synthetic cathinones at U.S. ports of entry (POEs), but many synthetic cathinone products are disguised or mislabeled to impede detection. Because common field test kits, drug-detecting canines, and routine urine drug screens do not detect synthetic cathinones, law enforcement officials are challenged in interdicting such drugs and prosecuting their manufacturers and distributors. Synthetic cathinones, typically marketed as "bath salts" and "plant food," are sold legally under various names (Ivory Wave, Blizzard, etc.) in most areas of the United States. The products are generally sold in retail establishments such as adult stores, independently owned convenience stores, gas stations, head shops, and skateboard shops. The products, as well as their raw chemical components, are also sold on many Internet sites, including popular Internet auction sites. Additionally, synthetic cathinones have been sold by independent dealers as ecstasya-in powdered form, in single-component tablets and capsules, and in tablets and capsules containing cathinones combined with MDMA (3,4-methylenedioxymethamphetamine) or other illicit controlled substances. Abusers typically ingest, inhale, inject, smoke, or snort (insufflate) the drugs to experience stimulant effects similar to those induced by amphetamine. Manufacturers and distributors of synthetic cathinone products evade U.S. Drug Enforcement Administration (DEA) regulation and enforcement because synthetic cathinones are not scheduled under the Federal Controlled Substances Act (CSA). However, possession and distribution of the synthetic cathinones may be prosecuted, albeit with greater difficulty, under the Federal Controlled Substance Analogue Enforcement Act of 1986 (as amended)b of the CSA. The availability and suitability of a prosecution under the analogue statute depends on the particular compound being trafficked and the facts of the case. Further, distributors deceptively market synthetic cathinone products as "not for human consumption" to evade U.S. Food and Drug Administration (FDA) scrutiny. Cathinone products that are introduced into interstate commerce and promoted as alternatives to illicit street drugs may be prosecutable under the Federal Food, Drug, and Cosmetic Act as unapproved new drugs and misbranded drugs. (See the offenses at 21 U.S.C. 331(a), (d) and penalties at 21 U.S.C. 333.)1 Additionally, members of the Congress have introduced legislation to nationally ban the sale of certain synthetic cathinones, c and, as of April 2011, all 50 states and the District of Columbia have introduced or announced plans to introduce legislation banning or restricting the distribution and possession of certain synthetic cathinones and cathinone derivatives. As synthetic cathinones become more regulated, abusers will likely use the Internet with greater frequency to purchase cathinone products, the raw chemicals used in their production, and products that contain cathinones not specifically prohibited by enacted legislation.

Critical Issues in Alcohol and Drugs of Abuse Testing

Author : Amitava Dasgupta
Publisher : Academic Press
ISBN 13 : 0128156082
Total Pages : 544 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Critical Issues in Alcohol and Drugs of Abuse Testing by : Amitava Dasgupta

Download or read book Critical Issues in Alcohol and Drugs of Abuse Testing written by Amitava Dasgupta and published by Academic Press. This book was released on 2019-01-10 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Critical Issues in Alcohol and Drugs of Abuse Testing, Second Edition, addresses the general principles and technological advances for measuring drugs and alcohol, along with the pitfalls of drugs of abuse testing. Many designer drugs, for example, are not routinely tested in drugs of abuse panels and may go undetected in a drug test. This updated edition is a must-have for clinical pathologists, toxicologists, clinicians, and medical review officers and regulators, bridging the gap between technical and clinical information. Topics of note include the monitoring of pain management drugs, bath salts, spices (synthetic marijuana), designer drugs and date rape drugs, and more. - Serves as a ready resource of information for alcohol and drug testing - Ideal resource for making decisions related to the monitoring and interpretation of results - Includes concise content for clinical laboratory scientists, toxicologists and clinicians

Club Drugs and Novel Psychoactive Substances

Author : Owen Bowden-Jones
Publisher : Cambridge University Press
ISBN 13 : 1911623095
Total Pages : 141 pages
Book Rating : 4.9/5 (116 download)

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Book Synopsis Club Drugs and Novel Psychoactive Substances by : Owen Bowden-Jones

Download or read book Club Drugs and Novel Psychoactive Substances written by Owen Bowden-Jones and published by Cambridge University Press. This book was released on 2020-10-08 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emerging illicit drugs pose a significant clinical challenge. This handbook offers an engaging, concise guide to managing these challenges.

Alcohol, Drugs, Genes and the Clinical Laboratory

Author : Amitava Dasgupta
Publisher : Academic Press
ISBN 13 : 012809334X
Total Pages : 238 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Alcohol, Drugs, Genes and the Clinical Laboratory by : Amitava Dasgupta

Download or read book Alcohol, Drugs, Genes and the Clinical Laboratory written by Amitava Dasgupta and published by Academic Press. This book was released on 2016-10-17 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alcohol, Drugs, Genes and the Clinical Laboratory provides an overview and quick reference to genetic relationships and clinical laboratory information related to the serious public health issue of alcohol and drug abuse. Written in a clear and concise manner, this book discusses the necessary information for health and safety professionals working in public health to learn about complex issues quickly to better help their patients, employees, and others affected by alcohol and drug abuse. Alcohol, Drugs, Genes and the Clinical Laboratory covers the important aspects of drugs and alcohol abuse including genetic aspects along with laboratory methods for analysis of alcohol and abused drugs with emphasis on false positive test results. The book is helpful to healthcare professionals, such as pathologists who oversee alcohol and drug testing, emergency room physicians, family practice physicians who are first healthcare professionals who identify patients susceptible to drug and alcohol abuse, and psychiatrists involved with drug and alcohol rehabilitation programs. It will also be useful to safety professionals who have to assess individuals for workplace responsibilities, ranging from police and recruitment to occupational safety and occupational medicine and public health officials. - Features accessible language for healthcare and safety professionals who are not experts in laboratory procedures - Provides examples from clinical and everyday situations - Explains how to interpret laboratory results and the latest genetic factors regarding drug and alcohol abuse

Detection of Drugs and Their Metabolites in Oral Fluid

Author : Robert M. White
Publisher : Elsevier
ISBN 13 : 012814596X
Total Pages : 141 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Detection of Drugs and Their Metabolites in Oral Fluid by : Robert M. White

Download or read book Detection of Drugs and Their Metabolites in Oral Fluid written by Robert M. White and published by Elsevier. This book was released on 2018-02-23 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: Detection of Drugs and Their Metabolites in Oral Fluid presents the analytical chemistry methods used for the detection and quantification of drugs and their metabolites in human oral fluid. The authors summarize the state of the science, including its strengths, weaknesses, unmet methodological needs, and cutting-edge trends. This volume covers the salient aspects of oral fluid drug testing, including specimen collection and handling, initial testing, point of collection testing (POCT), specimen validity testing (SVT), and confirmatory and proficiency testing. Analytes discussed include amphetamines, cannabinoids, cocaine, opiates, phencyclidine, cannabimimetics, and miscellaneous drugs. This practical guide helps users turn knowledge into practice, moving logically from an outline of the problem, to the evaluation of the appropriateness of oral fluid as a test medium, and finally to a consideration of detection methods and their validation and employment. - Compares different collection and testing systems to assist readers involved in clinical or forensic practice in selecting oral fluid as the matrix of choice - Provides a sound basis for the detection of drugs and their metabolites in oral fluid and the interpretation of both positive and negative - Places the need, or lack thereof, for specimen validity testing and confirmation testing in context with the purposes of oral fluid testing - Describes drugs and drug classes that can be tested, along with useful information on a patient/donor's drug status

Synthetic Cathinones

Author :
Publisher :
ISBN 13 : 9783319787084
Total Pages : pages
Book Rating : 4.7/5 (87 download)

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Book Synopsis Synthetic Cathinones by :

Download or read book Synthetic Cathinones written by and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last decade a rapidly increasing number of novel psychoactive substance (NPSs), often marketed as "designer drugs", "legal highs", "herbal highs", "research or intermediate chemicals" and "laboratory reagents", has appeared on the drug market worldwide in an effort to bypass controlled substance legislation. NPSs encompass a wide range of different compounds and drug classes but had been dominated by synthetic cannabinomimetics and psychostimulatory synthetic cathinones, so-called b-keto amphetamines. Compounds from the later class were first detected in Europe in 2004, and since that time more than 130 new cathinones have been identified and reported to the European Monitoring Centre for Drugs and Drug Addiction. The rapid and extensive worldwide rise of synthetic cathinone abuse is attracting increasing attention, due to many intoxications and overdose deaths.

Dangerous Illicit Drug Alerts

Author : U. S. Department of Justice
Publisher :
ISBN 13 : 9781521234624
Total Pages : 72 pages
Book Rating : 4.2/5 (346 download)

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Book Synopsis Dangerous Illicit Drug Alerts by : U. S. Department of Justice

Download or read book Dangerous Illicit Drug Alerts written by U. S. Department of Justice and published by . This book was released on 2017-05-06 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Drug Intelligence Center (NDIC) has prepared these important dangerous drug alerts about unique and serious threats: Synthetic Cathinones (Bath Salts), Mephedrone, Synthetic Cannabinoids, Purple Drank, Synthetic Hallucinogen 2C-E, Oxymorphone Abuse, Opium Tea, Salvia Divinorum. Synthetic cathinones, typically marketed as "bath salts" and "plant food," are sold legally under various names (Ivory Wave, Blizzard, etc.) in most areas of the United States. The products are generally sold in retail establishments such as adult stores, independently owned convenience stores, gas stations, head shops, and skateboard shops. The products, as well as their raw chemical components, are also sold on many Internet sites, including popular Internet auction sites. Additionally, synthetic cathinones have been sold by independent dealers as ecstasy a-in powdered form, in single-component tablets and capsules, and in tablets and capsules containing cathinones combined with MDMA (3,4-methylenedioxymethamphetamine) or other illicit controlled substances. Abusers typically ingest, inhale, inject, smoke, or snort (insufflate) the drugs to experience stimulant effects similar to those induced by amphetamine. Manufacturers and distributors of synthetic cathinone products evade U.S. Drug Enforcement Administration (DEA) regulation and enforcement because synthetic cathinones are not scheduled under the Federal Controlled Substances Act (CSA). However, possession and distribution of the synthetic cathinones may be prosecuted, albeit with greater difficulty, under the Federal Controlled Substance Analogue Enforcement Act of 1986 (as amended)b of the CSA. The availability and suitability of a prosecution under the analogue statute depends on the particular compound being trafficked and the facts of the case. Further, distributors deceptively market synthetic cathinone products as "not for human consumption" to evade U.S. Food and Drug Administration (FDA) scrutiny. Cathinone products that are introduced into interstate commerce and promoted as alternatives to illicit street drugs may be prosecutable under the Federal Food, Drug, and Cosmetic Act as unapproved new drugs and misbranded drugs. (See the offenses at 21 U.S.C. 331(a), (d) and penalties at 21 U.S.C. 333.)1 Additionally, members of the Congress have introduced legislation to nationally ban the sale of certain synthetic cathinones, c and, as of April 2011, all 50 states and the District of Columbia have introduced or announced plans to introduce legislation banning or restricting the distribution and possession of certain synthetic cathinones and cathinone derivatives. As synthetic cathinones become more regulated, abusers will likely use the Internet with greater frequency to purchase cathinone products, the raw chemicals used in their production, and products that contain cathinones not specifically prohibited by enacted legislation. The illicit trafficking and abuse of drugs present a challenging, dynamic threat to the United States. Overall demand is rising, largely supplied by illicit drugs smuggled to U.S. markets by major transnational criminal organizations (TCOs). Changing conditions continue to alter patterns in drug production, trafficking, and abuse. Traffickers are responding to government counterdrug efforts by modifying their interrelationships, altering drug production levels, and adjusting their trafficking routes and methods. Major Mexican-based TCOs continue to solidify their dominance over the wholesale illicit drug trade as they control the movement of most of the foreign-produced drug supply across the U.S. Southwest Border.

Synthetic Cathinones (bath Salts)

Author : National Drug Intelligence Center (U.S.)
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (756 download)

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Book Synopsis Synthetic Cathinones (bath Salts) by : National Drug Intelligence Center (U.S.)

Download or read book Synthetic Cathinones (bath Salts) written by National Drug Intelligence Center (U.S.) and published by . This book was released on 2011 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthetic cathinones are central nervous system stimulants. Typically marketed as "bath salts" and "plant food," synthetic cathinones sold legally under various names (Ivory Wave, Blizzard, etc.) in most areas of the United States. The National Drug Intelligence Center (NDIC) assesses with high confidence that the distribution and abuse of synthetic cathinones will increase in the United States in the near term, posing yet another challenge to U.S. law enforcement officials.

New Psychoactive Substances

Author : Hans H. Maurer
Publisher : Springer
ISBN 13 : 303010561X
Total Pages : 566 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis New Psychoactive Substances by : Hans H. Maurer

Download or read book New Psychoactive Substances written by Hans H. Maurer and published by Springer. This book was released on 2019-02-20 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is designed to feature the pharmacology of new psychoactive substances, legislative aspects, information exchange including epidemiology, and clinical, forensic, and analytical toxicology in order to facilitate the understanding of this complex and rapidly developing phenomenon.

Novel Psychoactive Drugs

Author : Liana Fattore
Publisher : Frontiers Media SA
ISBN 13 : 2889458644
Total Pages : 196 pages
Book Rating : 4.8/5 (894 download)

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Book Synopsis Novel Psychoactive Drugs by : Liana Fattore

Download or read book Novel Psychoactive Drugs written by Liana Fattore and published by Frontiers Media SA. This book was released on 2019-06-05 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: An increasing number of novel psychoactive drugs are currently available and sold as 'legal highs' or 'research chemicals'. These New Psychoactive Substances (NPS) constitute a broad range of hundreds of natural and synthetic drugs, including synthetic cannabinoids, synthetic cathinones, synthetic opioids and other classes, which use has resulted in a significantly growing number of intoxication and mortality, as reported by emergency and poison centres from all over the world. Definition of “NPS” includes any substance that has recently become available and has been designed purposely to replace illegal drugs, although not necessarily of new synthesis. Use of NPS is dramatically increased in the last decade and represents a serious risk for the public health. Their ever-evolving chemical structure, the possibility to distribute in real time through the Internet and social networks information about their use and effects have dramatically challenged public health and drug policies internationally. NPS recently attracted great attention, but most are still unregulated and proposed online as legal alternatives to traditional illicit drugs. Unfortunately, this area is still poorly investigated and very limited information are available so far on their nature and potential risks. The phenomenon of NPS requires multi-national and multi-disciplinary collaborations to improve our knowledge on this changing drug market, to share information and define good practices at a global level. Political and educational efforts are indispensable to regulate this mutable scenario and to inform the public about health consequences of NPS use. Clinicians and emergency staff should be aware that NPS may cause severe health consequences and unexpected adverse effects, and be informed on how to recognized and treat specific intoxication cases. Considering the widespread use of NPS and paucity of information about their toxicology and pharmacology, this Research Topic will be useful to understand the new trends in the scenario of drug use, abuse and addiction to inform professionals and general public about the health problems caused by NPS and to help drug-control policies to adopt suitable control measures.

Neuropharmacology of New Psychoactive Substances (NPS)

Author : Michael H. Baumann
Publisher : Springer
ISBN 13 : 3319524445
Total Pages : 380 pages
Book Rating : 4.3/5 (195 download)

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Book Synopsis Neuropharmacology of New Psychoactive Substances (NPS) by : Michael H. Baumann

Download or read book Neuropharmacology of New Psychoactive Substances (NPS) written by Michael H. Baumann and published by Springer. This book was released on 2017-04-13 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designer drugs, or new psychoactive substances (NPS), are synthetic chemicals that mimic the effects of classic drugs of abuse. There has been an alarming worldwide increase in the abuse of NPS in recent years. NPS are cheap, easy to obtain, and often legally available. In this volume, leading experts summarize the latest studies regarding the molecular mechanisms of action, behavioral effects, and adverse consequences of popular NPS. Specific chapters clarify the differences between various types of NPS, namely: stimulants, cannabinoids and hallucinogens. Thus, this volume broadens our understanding of NPS and provides insight into the rapidly evolving “new drug” phenomenon.

Fentanyl, Inc.

Author : Ben Westhoff
Publisher : Atlantic Monthly Press
ISBN 13 : 080214795X
Total Pages : 365 pages
Book Rating : 4.8/5 (21 download)

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Book Synopsis Fentanyl, Inc. by : Ben Westhoff

Download or read book Fentanyl, Inc. written by Ben Westhoff and published by Atlantic Monthly Press. This book was released on 2019-09-03 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: A four-year investigation into the world of synthetic drugs—from black market factories to users & dealers to harm reduction activists—and what it revealed. A deeply human story, Fentanyl, Inc. is the first deep-dive investigation of a hazardous and illicit industry that has created a worldwide epidemic, ravaging communities and overwhelming and confounding government agencies that are challenged to combat it. “A whole new crop of chemicals is radically changing the recreational drug landscape,” writes Ben Westhoff. “These are known as Novel Psychoactive Substances (NPS) and they include replacements for known drugs like heroin, cocaine, ecstasy, and marijuana. They are synthetic, made in a laboratory, and are much more potent than traditional drugs” —and all-too-often tragically lethal. Drugs like fentanyl, K2, and Spice—and those with arcane acronyms like 25i-NBOMe—were all originally conceived in legitimate laboratories for proper scientific and medicinal purposes. Their formulas were then hijacked and manufactured by rogue chemists, largely in China, who change their molecular structures to stay ahead of the law, making the drugs’ effects impossible to predict. Westhoff has infiltrated this shadowy world. He tracks down the little-known scientists who invented these drugs and inadvertently killed thousands, as well as a mysterious drug baron who turned the law upside down in his home country of New Zealand. Westhoff visits the shady factories in China from which these drugs emanate, providing startling and original reporting on how China’s vast chemical industry operates, and how the Chinese government subsidizes it. Poignantly, he chronicles the lives of addicted users and dealers, families of victims, law enforcement officers, and underground drug awareness organizers in the United States and Europe. Together they represent the shocking and riveting full anatomy of a calamity we are just beginning to understand. From its depths, as Westhoff relates, are emerging new strategies that may provide essential long-term solutions to the drug crisis that has affected so many. “Timely and agonizing. . . . An impressive work of investigative journalism.” —USA Today “Westhoff explores the many-tentacled world of illicit opioids, from the streets of East St. Louis to Chinese pharmaceutical companies, from music festivals deep in the Michigan woods to sanctioned ‘shooting up rooms’ in Barcelona, in this frank, insightful, and occasionally searing exposé. . . . Westhoff’s well-reported and researched work will likely open eyes, slow knee-jerk responses, and start much needed conversations.” —Publishers Weekly “Our 25 Favorite Books of 2019” —St. Louis Post-Dispatch “Best Books of 2019” —Buzzfeed “Best Nonfiction of 2019” —Kirkus Reviews “50 Best Books of 2019” —Daily Telegraph “Best Nonfiction Books of 2019” —Tyler Cowen “Best Books of 2019” —Yahoo Finance

Novel Psychoactive Substances

Author : Ornella Corazza
Publisher : Springer
ISBN 13 : 331960600X
Total Pages : 192 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Novel Psychoactive Substances by : Ornella Corazza

Download or read book Novel Psychoactive Substances written by Ornella Corazza and published by Springer. This book was released on 2017-08-09 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: In light of the recent emergence of Novel Psychoactive Substances (NPS) on a global scale, this book provides a timely analysis of the social and economic impact of the NPS phenomenon, and of the global policy and regulatory responses to it. It presents the first comprehensive overview of the international regulation, policy and market structure of the NPS phenomenon, offering a guide to inform legislative discussions and demonstrating from a comparative perspective the different approaches used to address the rise of NPS to date. It covers topics such as organized crime, drug markets, clinical evidence on NPS, and different regulatory approaches also in less explored settings such as prisons and sport environments. Overall, this highly informative and well-structured repository of different experiences with NPS policy, law and regulation offers an essential primary source of evidence for anyone interested in the area of drug and NPS policy, health economics and p ublic health.

Psychoactive Synthetic Cathinones (or 'bath Salts')

Author : Farhana Sakloth
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (944 download)

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Book Synopsis Psychoactive Synthetic Cathinones (or 'bath Salts') by : Farhana Sakloth

Download or read book Psychoactive Synthetic Cathinones (or 'bath Salts') written by Farhana Sakloth and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthetic cathinones represent threatening and high abuse-potential designer drugs. These are analogs of cathinone (the b-keto analog of amphetamine (AMPH)) a naturally occurring stimulant found in the plant Catha Edulis. Methcathinone (MCAT) was the first synthetic analog of cathinone to be identified in 1987 by Glennon and co-workers and it exerted its action primarily through the dopamine transporter (DAT). Most central stimulants exert their action via monomaine transporters by causing either the release (e.g. cathinone analogs such as MCAT) or by preventing the reuptake (e.g. cocaine) of the neurotransmitter dopamine (DA) thus increasing the extracellular synaptosomal concentration of this neurotransmitter. In 2010, a new class of designer cathinone-like drugs called 'bath salts', initially a combination of methylenedioxypyrovalerone (MDPV), methylone (methylenedioxymethcathione, MDMC) and mephedrone (MEPH), soared to popularity. It caused extremely detrimental side effects; it was exceedingly popular for its recreational use and posed a threat to public health. At the time, their mechanisms of action were unknown. Our group identified that MDPV produced actions distinct from other cathinone analogs (i.e., it was identified as the first cathinone-like compound to act as a reuptake inhibitor at the dopamine transporter (DAT)). These findings suggested that not all cathinone-like compounds act uniformly and this insinuated that unique structural features on the cathinone scaffold might contribute to different effects at the transporter level. The overall goal of this project was to study the mechanisms of action of synthetic cathinones (including 'bath salts') at the monoamine transporters. We investigated the contribution of each of various structural features on the cathinone scaffold (i.e, the terminal amine, a and b positions, and the phenyl ring). We also constructed homology models of the human dopamine and serotonin transporters (hDAT and hSERT respectively) to help explain differences in selectivity between the neurochemical and behavioral aspects of DAT and SERT. Overall we found that structural features contributed to similar or distinctive mechanisms of action and also contributed to selectivity at monoamine transporters. Our studies provide information that can be useful to drug and health regulatory agencies to help prevent, treat, or curb the future abuse of such drugs.

Quick Guide to Psychiatric Emergencies

Author : Kimberly D. Nordstrom
Publisher : Springer
ISBN 13 : 3319582607
Total Pages : 282 pages
Book Rating : 4.3/5 (195 download)

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Book Synopsis Quick Guide to Psychiatric Emergencies by : Kimberly D. Nordstrom

Download or read book Quick Guide to Psychiatric Emergencies written by Kimberly D. Nordstrom and published by Springer. This book was released on 2018-03-07 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides an “on-the-go” guide to the most common behavioral emergencies a physician may encounter. Each chapter represents a disease state or symptom cluster and concisely summarizes the disease state, provides background, symptoms and signs, differential diagnoses, and immediate and long-term treatment options. All chapters conclude with a diagnosis or treatment algorithm or another easy-to-use visual tool. Chapters named after a specific disease state or symptom cluster, arranged alphabetically for use in the field. The text begins with chapters covering patient evaluation: getting a good history, suicide risk assessment, physical exam, and when and how to use studies. Written by experts in psychiatry and emergency medicine, this text is the first to consider both medical perspectives in a concise guide. Quick Guide to Psychiatric Emergencies is an excellent resource for psychiatrists, emergency medicine physicians, residents, nurses, and other medical professionals that handle behavioral emergencies on a regular basis.

Structure-activity Relationship Studies of Synthetic Cathinones and Related Agents

Author : Rachel A. Davies
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (112 download)

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Book Synopsis Structure-activity Relationship Studies of Synthetic Cathinones and Related Agents by : Rachel A. Davies

Download or read book Structure-activity Relationship Studies of Synthetic Cathinones and Related Agents written by Rachel A. Davies and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthetic cathinones and related agents represent an international drug abuse problem, and at the same time an important class of clinically useful compounds. Structure-activity relationship studies are needed to elucidate molecular features underlying the pharmacology of these agents. Illicit methcathinone (i.e., MCAT), the prototype of the synthetic cathinone class, exists as a racemic mixture. Though the differences in potency and target selectivity between the positional and optical isomers of synthetic cathinones and related agents have been demonstrated to have important implications for abuse and therapeutic potential, the two MCAT isomers have never been directly compared at their molecular targets: the monoamine transporters (MATs). Additionally, previous studies have found that the carbonyl oxygen atom can be replaced with a methoxy group, but this results in two chiral centers (i.e., four possible optical isomers for synthesis and evaluation). Here, the individual isomers of MCAT, their racemate, and achiral MCAT analogs were prepared where necessary, and examined in vitro and in silico at the MATs. All agents were active as substrates, with a rank order of potency suggesting that[alpha]-position chirality, in either configuration, is favored but not required, with the S( - ) configuration slightly preferred. Either chiral center removal approach resulted in a reduction in potency, suggesting both favorable interactions with the[alpha]-methyl, and limited bulk tolerance. To further investigate this possibility, docking studies were conducted using homology models of the MATs. Common binding modes were identified that were similar to the binding mode of S(+)amphetamine co-crystallized at drosophila DAT. Taken together, these studies supported our conclusions, as steric hindrance was observed in the[alpha]-methyl region of the proposed binding site for the R(+)MCAT isomer. Inclusion of the original synthetic cathinones among Schedule I controlled substances has driven the clandestine development of a second generation of agents, resulting in an array of new synthetic cathinones diverse in structure and effect. Pyrrolidinophenones are a major constituent of second-generation bath salts. Little is known about their structure-activity relationships. Here, we have synthesized and examined a series of aryl-substituted pyrrolidinophenone analogs, as well as an achiral pyrrolidinophenone analog, utilizing novel synthetic chemistry and an innovative cell-based epifluorescence Ca2imaging technique. Herein, we evaluated the neurochemical properties of these novel compounds at the dopamine transporter (DAT), considered to exert a major role in actions of drugs of abuse. For future structure-activity relationship studies, additional analogs of synthetic cathinone-related agents were produced using novel synthetic approaches, including analogs and isomers of known amphetamine drugs of abuse. Finally, though much has been learned about the role of the dopamine and serotonin transporters in the mechanisms of action of synthetic cathinones, the role of the norepinephrine transporter is poorly understood. Homology models of the human norephinephrine transporter were built and docking studies conducted to inform the study of MAT ligand selectivity, activity, and binding. In conclusion, these studies represent progress towards the establishment of comprehensive structure-activity relationships for synthetic cathinones and related agents. Particular emphasis was placed on the SAR of the phenylalkylamine[alpha]-carbon in the synthetic cathinone context, and the role of the norepinephrine transporter in their activity.